Ahead of the Curve: Xavius
Defeat Xavius in the Emerald Nightmare on Heroic difficulty or higher, before the opening of the Nighthold.
12/11/2016
Time is a Flat Circle
Defeat Archimonde on Normal difficulty or higher, before the release of patch 7.0. "Everything we have ever done or will do, we are going to do over and over and over again."
03/25/2016
Garrison Monument Reward: The King in Green